A man swims downstream 72 km and upstream 45 km taking 9 hours each time; what is the speed of the current?
A. 3 kmph
B. 1.5 kmph
C. 13 kmph
D. 6.5 kmph
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A man swims downstream 30 km and upstream 18 km taking 3 hours each time, what is the speed of the man in still water?
A. 2 kmph
B. 8 kmph
C. 16 kmph
D. 4 kmph
The current of a stream at 1 kmph. A motor boat goes 35 km upstream and back to the starting point in 12 hours. The speed of the motor boat in still water is_________?
A. 6 kmph
B. 7 kmph
C. 8.5 kmph
D. 8 kmph
A man can row his boat with the stream at 6 km/h and against the stream in 4 km/h. The man’s rate is________?
A. 1 kmph
B. 5 kmph
C. 8 kmph
D. 3 kmph
A boat goes 100 km downstream in 10 hours, and 75 m upstream in 15 hours. The speed of the stream is________?
A. 7 km/h
B. 5 km/h
C. 3 km/h
D. 2 (1/2) km/h
The difference between simple and compound interest on Rs. 1200 for one year at 10% per annum reckoned half-yearly is________?
A. Rs. 2.50
B. Rs. 3
C. Rs. 3.75
D. Rs. 4
What will be the difference between simple and compound interest at 10% per annum on a sum of Rs. 1000 after 4 years?
A. Rs. 31
B. Rs. 32.10
C. Rs. 40.40
D. Rs. 64.10
If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same sum at the rate and for the same time?
A. Rs. 51.25
B. Rs. 52
C. Rs. 54.25
D. Rs. 60
Find the Compound Interest on Rs. 15,625 for 9 months at 16% per annum compounded quarterly?
A. Rs. 1851
B. Rs. 1941
C. Rs. 1951
D. Rs. 1961
What is the difference between the C.I. on Rs. 5000 for 1 1/2 years at 4% per annum compounded yearly and half-yearly?
A. Rs. 2.04
B. Rs. 3.06
C. Rs. 4.80
D. Rs. 8.30